Questions

Calculate the frequency (in Hz) of a sound wave of wavelength 4m travelling with a speed of 200 m/s.

Which one of the following is a component of Food Security System?

According to Malthusian theory of population

Who was the first Indian astronomer to calculate the time taken by earth to orbit the sun?

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

To proclaim widely or loudly.

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Covenant

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

She has no pen to write.

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.

Diffident